| Patents for H04M 3 - Automatic or semi-automatic exchanges (99,881) |
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| 12/24/1996 | US5588045 Voice/data transfer method and apparatus utilizing an alternate line |
| 12/24/1996 | US5588044 Voice response system with programming language extension |
| 12/24/1996 | US5588037 Remote access telephone control system |
| 12/24/1996 | US5587999 D channel packet communication system and a method of D channel packet communication |
| 12/24/1996 | US5587998 Method and apparatus for reducing residual far-end echo in voice communication networks |
| 12/24/1996 | US5587928 Computer teleconferencing method and apparatus |
| 12/19/1996 | WO1996041476A1 Videoconferencing and multimedia system |
| 12/19/1996 | WO1996041460A1 System and method for performing a variety of transactions having distributed decision-making capability |
| 12/19/1996 | WO1996041453A1 System and method for resolving substantially simultaneous bi-directional requests of spare capacity |
| 12/19/1996 | WO1996041452A1 Reverse path allocation and contention resolution scheme for a broadband communications system |
| 12/19/1996 | WO1996041440A1 Method and system for identifying fault locations in a communications network |
| 12/19/1996 | WO1996041434A1 Communication access system with distributed processing |
| 12/19/1996 | DE19623467A1 Call connection status supervision device |
| 12/19/1996 | CA2222165A1 System and method for resolving substantially simultaneous bi-directional requests of spare capacity |
| 12/19/1996 | CA2222160A1 Method and system for identifying fault locations in a communications network |
| 12/18/1996 | EP0749228A2 Circuit arrangement for controlling the treatment of an incoming call |
| 12/18/1996 | EP0748571A1 Method and apparatus for delivery of a response in a messaging system |
| 12/18/1996 | EP0748556A1 A telephone communication system having a locator |
| 12/18/1996 | EP0748554A1 Tracing with keys and locks on a telecommunication network |
| 12/18/1996 | EP0748552A1 Active strapping and switching device for telephone line testing |
| 12/18/1996 | EP0629327B1 Headset amplifier with automatic log on/log off detection |
| 12/18/1996 | CN1138405A Establishing a group call in a mobile radio system |
| 12/18/1996 | CN1138404A A mobile communication system and a base tation in a mobile communication system |
| 12/18/1996 | CN1138403A Mobile communication system having massage-storing function and method thereof |
| 12/18/1996 | CN1138399A A method and an apparatus for generating a ringing signal |
| 12/18/1996 | CN1138398A Telecommunications system with notification hold |
| 12/18/1996 | CN1138284A Switching system data inheritance method and system |
| 12/18/1996 | CN1138259A Adjustment of call bandwidth during communication call |
| 12/18/1996 | CN1138258A Clock receiver for network synchronization control of exchange system |
| 12/17/1996 | US5586257 Network architecture to support multiple site real-time video games |
| 12/17/1996 | US5586179 System and method for adding and integrating outbound calling and overall system control to an existing inbound telephone system |
| 12/17/1996 | US5586178 Interface for automatic call distributor for performing agent functions via host computer |
| 12/17/1996 | US5586175 For detecting fraudulent use of a telephone network |
| 12/17/1996 | US5586173 Message management system |
| 12/17/1996 | US5586172 Telephone exchange system |
| 12/17/1996 | US5586169 Method of ringing a call responsive apparatus which answered an immediately preceding incoming call |
| 12/17/1996 | US5586166 Chip card |
| 12/17/1996 | US5586112 Digital crossconnect system for selecting alternate communication routes in case of a transmission fault |
| 12/17/1996 | US5586111 In-line test switch for communications network |
| 12/17/1996 | US5585839 Audio and video telecommunication system with remote monitoring function and remote device control function |
| 12/17/1996 | CA2084106C Remotely initiated telemetry calling system |
| 12/17/1996 | CA2015248C Fully shared communications network |
| 12/17/1996 | CA2008903C Dual rail dilated switching networks |
| 12/12/1996 | WO1996018258A3 Intelligent call processing platform for home telephone system |
| 12/12/1996 | DE19535540C1 Call handling method for communication system with ACD |
| 12/11/1996 | EP0748135A2 Telecommunications system |
| 12/11/1996 | EP0748133A2 Establishing inter-exchange telecommunication calls |
| 12/11/1996 | EP0748103A2 Device and method for control of functions |
| 12/11/1996 | EP0748102A2 Flexible customer controlled telecommunications handling |
| 12/11/1996 | EP0748101A2 System and apparatus for generating within the premises a dial tone for enhanced phone services |
| 12/11/1996 | EP0748100A2 A cable monitoring system with multiple branch terminations |
| 12/11/1996 | EP0748094A2 Adjustment of call bandwidth during a communication call |
| 12/11/1996 | EP0747881A2 System and method for voice controlled video screen display |
| 12/11/1996 | EP0746952A1 Accomplishing a register recall in a radio system |
| 12/11/1996 | EP0746935A1 Voice message keepsake system |
| 12/11/1996 | EP0746906A1 Switching device for telecommunications channel |
| 12/11/1996 | EP0746846A1 Voice-controlled account access over a telephone network |
| 12/11/1996 | EP0746822A1 Micro-personal digital assistant |
| 12/11/1996 | CN1137718A Variable communication bandwidth for providing automatic call back and call hold |
| 12/11/1996 | CN1137716A Multi-media conference call control providing adjustable bandwidth for individual communication terminals |
| 12/11/1996 | CN1137715A Selective participation in multi-media communication conference call |
| 12/11/1996 | CN1137654A Service interactions |
| 12/10/1996 | US5583986 Apparatus for and method of duplex operation and management for signalling message exchange no. 1 system |
| 12/10/1996 | US5583934 DC level control for an electronic telephone line card |
| 12/10/1996 | US5583933 Method and apparatus for the secure communication of data |
| 12/10/1996 | US5583928 Detecting local exchange failure and resultant control of a communications network |
| 12/10/1996 | US5583926 Method and apparatus for routing a call to a number corresponding to a virtual public dial plan or to an existing dial plan |
| 12/10/1996 | US5583925 Automatic three-way calling feature for a telecommunications system |
| 12/10/1996 | US5583924 Caller ID and call waiting for multiple CPES on a single telephone line |
| 12/10/1996 | US5583923 Telephony network having no-ring telemetry call aborted in favor of incoming telephony calls |
| 12/10/1996 | US5583922 Telecommunication system for automatic switching between voice and visual data communications using forms |
| 12/10/1996 | US5583921 Data transmitting/receiving apparatus and data communication system |
| 12/10/1996 | US5583920 Intelligent peripheral in video dial tone network |
| 12/10/1996 | US5583917 Method and arrangement for semipermanent storage of a service profile in personal communication systems |
| 12/10/1996 | US5583914 Intelligent wireless signaling overlay for a telecommunication network |
| 12/10/1996 | US5583912 Wireless - wireline communication selection mechanism resident in craftsperson's portable test and communications device |
| 12/10/1996 | US5583860 Communications network independent designing system and managing method |
| 12/10/1996 | US5583792 Computer-implemented method |
| 12/10/1996 | US5583564 Intelligent call forwarding with videophone display of forwarding destination |
| 12/10/1996 | CA2091278C Unique ringing on a prime telephone line |
| 12/10/1996 | CA2089467C Method of detecting a routing loop in a telecommunication network, telecommunication network for using the method, and detection means for use in the telecommunication network |
| 12/05/1996 | WO1996038992A1 Arrangement and method in a mobile communication system for selecting a communication arrangement |
| 12/05/1996 | WO1996038987A1 Method and apparatus for handling communications |
| 12/05/1996 | WO1996038983A1 Method and apparatus for controlling participant input in a conferencing environment |
| 12/05/1996 | WO1996038972A1 Voice recording and playback apparatus |
| 12/05/1996 | WO1996038971A1 Computer calling method and system |
| 12/05/1996 | WO1996034484A3 Remote activity monitoring system and method |
| 12/05/1996 | DE19618785A1 Automatic call connection method esp. in telephone answering machine with three party call facility |
| 12/05/1996 | DE19603167A1 Audiovisuelles Kommunikationsverfahren und -vorrichtung unter Verwendung eines digitalen Netzwerkes Audiovisual communication method and apparatus using a digital network |
| 12/05/1996 | DE19527812C1 Telecommunication system control method |
| 12/05/1996 | CA2202747A1 Communication system to provide called party location and pre-call warning |
| 12/04/1996 | EP0746135A2 Method and system for monitoring call fees in a mobile radio system |
| 12/04/1996 | EP0746127A2 Selective participation in a multimedia communication conference call |
| 12/04/1996 | EP0745301A1 Handling of interaction between supplementary services |
| 12/04/1996 | EP0745300A1 Multilingual operation and maintenance interface for a telecommunication exchange |
| 12/04/1996 | EP0745299A1 Network based multimedia messaging method and system |
| 12/04/1996 | CN1137338A Establishing expanded group call in mobile communication system |
| 12/03/1996 | US5581757 Partially replicated database for a network of store-and-forward message systems |
| 12/03/1996 | US5581688 Tele- and data communication system |
| 12/03/1996 | US5581612 Private branch exchange system |